US Bridges

5th Avenue over Whiskey Creek

Fair

Kittitas County, Washington · 5th Ave at North RR Ave · Structure no. 085926000000000

Built
1979
46 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
5,324
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

5th Avenue over Whiskey Creek is a prestressed concrete stringer/multi-beam or girder carrying 5th Avenue over Whiskey Creek in Kittitas County, Washington. It was built in 1979, so it is 46 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,324 vehicles a day, roughly 13% of them trucks, projected to reach 8,785 by 2040. The structure is 29 ft (8.8 m) long and 64 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries5th Avenue
CrossesWhiskey Creek
Location5th Ave at North RR Ave
RouteCity Street 380
Coordinates46.99629, -120.55797
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width64 ft (19.4 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,324 (2020)
Projected traffic8,785 by 2040
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$634,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 5th Avenue over Whiskey Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is 5th Avenue over Whiskey Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does 5th Avenue over Whiskey Creek carry?

About 5,324 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is 5th Avenue over Whiskey Creek?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 64 ft wide.

Who owns 5th Avenue over Whiskey Creek?

It is owned by the City or Municipal Highway Agency.